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    首页产品索引NCP4304

    NCP4304

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     Secondary Side Controller, Synchronous Rectification, for High Efficiency SMPS Topologies

    制造商:ON

    中文数据手册

    产品信息

    The NCP4304A/B is a full featured controller and driver tailored to control synchronous rectification circuitry in switch mode power supplies. Due to its versatility, it can be used in various topologies such as flyback, forward and Half Bridge Resonant LLC. The combination of externally adjustable minimum on and off times helps to fight the ringing induced by the PCB layout and other parasitic elements. Therefore, a reliable and noise less operation of the SR system is insured. The extremely low turn off delay time, high sink current capability of the driver and automatic package parasitic inductance compensation system allow to maximize synchronous rectification MOSFET conduction time that enables further increase of SMPS efficiency. Finally, a wide operating VCC range combined with two versions of driver voltage clamp eases implementation of the SR system in 24 V output applications.
    • Precise True Secondary Zero Current Detection with Adjustable Threshold
    • Automatic Parasitic Inductance Compensation
    • Typically 40 ns Turn off Delay from Current Sense Input to Driver
    • Zero Current Detection Pin Capability up to 200 V
    • Optional Ultrafast Trigger Input
    • Disable Input
    • Adjustable Minimum ON Time and Minimum OFF Time
    • 5 A/2.5 A Peak Current Sink/Source Drive Capability
    • Operating Voltage Range up to 30V

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    NCP4304AMNTWGONNCP4304A/B 是一款全功能控制器和驱动器,专门为控制开关模式电源中的同步整流电路而设计。由于其多功能性,它可以用于反激、正向和半桥谐振 LLC 等多种拓扑结构中。外部可调最短开关时间的组合有助于抵御 PCB 布局和其他寄生元件产生的振铃。因此,可以保证 SR 系统可靠的无噪声运行。极短关断延迟时间、驱动器的高汲电流能力以及自动封装寄生电感补偿系统可最大程度延长同步整流 MOSFET 导通时间,实现 SMPS 能效的进一步提高。最后,较宽的运行 VCC 范围结合两个版本的驱动器电压箝位,简化了 SR 系统在 24 V 输出应用中的实施。 立即购买
    NCP4304BMNTWGONIC SEC SIDE SYNC RECT DRV 8SOIC 立即购买
    NCP4304ADR2GONNCP4304A/B 是一款全功能控制器和驱动器,专门为控制开关模式电源中的同步整流电路而设计。由于其多功能性,它可以用于反激、正向和半桥谐振 LLC 等多种拓扑结构中。外部可调最短开关时间的组合有助于抵御 PCB 布局和其他寄生元件产生的振铃。因此,可以保证 SR 系统可靠的无噪声运行。极短关断延迟时间、驱动器的高汲电流能力以及自动封装寄生电感补偿系统可最大程度延长同步整流 MOSFET 导通时间,实现 SMPS 能效的进一步提高。最后,较宽的运行 VCC 范围结合两个版本的驱动器电压箝位,简化了 SR 系统在 24 V 输出应用中的实施。 立即购买
    NCP4304BDR2GON 立即购买

    技术资料

    标题类型大小(KB)下载
    Secondary Side Synchronous Rectification Driver for High Efficiency SMPS TopologiesPDF478 点击下载
    SOIC-8 Narrow BodyPDF61 点击下载
    8 PIN DFN, 4x4PDF59 点击下载
    NCP4304_PO.PNGUNKNOW4 点击下载
    NCP4304_MS.PNGUNKNOW24 点击下载
    NCP4304_PD.PNGUNKNOW9 点击下载
    NCP4304_AD.PNGUNKNOW44 点击下载
    Utilizing GaN HEMTs in an All-in-One Workstation Power SupplyPDF534 点击下载

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